Neptune Type 4D Flowmeters - Tech Sheet

The Red Seal 11/4” and 11/2” Type 4D meters, with double case design, have been specifically designed for the custody transfer of Liquefied Propane & Butane Gas (LPG). These meters utilize the oscillating piston principle positive displacement measuring chamber technology. The standard meter includes a base meter with a register, differential control valve, combination vapor eliminator/strainer, inlet check valve, pressure relief valve, vapor check valve, and tubing kit. Options include: automatic temperature compensator (ATC) and ticket printing register.